A Model For Probabilistic Fault Propagation with the Approach of Effective Fanouts in the Logic Circuits

Sartakhti, Esfandiar Esmaieli; Sedaghat, Yasser; Peiravi, Ali

doi:10.1109/icee59167.2023.10334701

2023 31st International Conference on Electrical Engineering (ICEE) 2023

DOI: 10.1109/icee59167.2023.10334701

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A Model For Probabilistic Fault Propagation with the Approach of Effective Fanouts in the Logic Circuits

Esfandiar Esmaieli Sartakhti,

Yasser Sedaghat,

Ali Peiravi

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2024

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An Effective Fanout-Based Method for Improving Error Propagation Probability Estimation in Combinational Circuits

Esmaieli,

Peiravi,

Sedaghat

2024

IEEE Access

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The downsizing of nanoscale circuits imposes new challenges for circuit reliability, including hard defects, soft errors and unsaturated voltage/current. Many studies on the reliability of digital circuits have focused on achieving accurate reliability estimation and more efficiency for larger circuits. To achieve accurate reliability estimation, it is necessary to address the issue of error propagation and consider correlated signals from reconverging paths in reliability calculations. In this paper, an error propagation probability model for each gate, which takes into account the probability of an unreliable logic gate's input signal and relates it to the probability of the output signal is proposed. Additionally, we introduce an efficient approach that utilizes a new fanout matrix to tackle the reconvergent fanouts problem. Furthermore, to ensure an accurate estimation of combinational logic circuit reliability, the probabilities obtained for each fanout should be included in the calculations by defining a fanout probability matrix. To address this issue, a new method is proposed at each calculation stage, aiming to minimize computational complexity making it suitable for large circuits with a significant number of fanouts. We conducted various simulations to demonstrate the accuracy and scalability of the proposed method on the ISCAS 85 benchmark circuit and EPFL Benchmark. The results show less than 1% average relative error in reliability estimation and outperform state-of-the-art methods in reliability estimation and algorithm runtime.

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An Effective Fanout-Based Method for Improving Error Propagation Probability Estimation in Combinational Circuits

Esmaieli,

Peiravi,

Sedaghat

2024

IEEE Access

Self Cite

View full text Add to dashboard Cite

show abstract

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A Model For Probabilistic Fault Propagation with the Approach of Effective Fanouts in the Logic Circuits

Cited by 1 publication

References 20 publications

An Effective Fanout-Based Method for Improving Error Propagation Probability Estimation in Combinational Circuits

An Effective Fanout-Based Method for Improving Error Propagation Probability Estimation in Combinational Circuits

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